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Att effektivisera armeringsarbete: Från idé till genomförande
Halmstad University, School of Business and Engineering (SET).
Halmstad University, School of Business and Engineering (SET).
2010 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Most of today’s concrete structures that are built on site are mainly constructed in a traditional fashion with a lot of artisanal operations. One step towards industrializing the in-situ construction of concrete is to use prefabricated reinforcement. Through this method there can be a lot of savings when each bar doesn’t have to be placed and fixed separately on site. The option is to use reinforcement baskets or carpet (roll) reinforcement to decrease the construction time and increase the profitability, while still maintaining or improving the quality and make a significant improvement on the work environment.

 

This report discusses and describes various alternative methods concerning reinforcement, for example prefabricated reinforcement cages and carpet (roll) reinforcement.

 

That the construction industry is in need of a higher degree of industrialization than today is a generally accepted view. This is confirmed by a number of industrializing attempts like opening factories for building-elements, using weather protection and prefabricated construction parts. Industrialized construction has a different meaning today than it had in the 60s and 70s when the most important factors were quantity, economy and time. These factors are also important today but there are other important factors like quality, customer satisfaction and work environment.

 

Through interviewing some key persons inside Skanska, it was possible to identify some important factors and areas where problems and difficulties can occur when introducing more prefabricated reinforcement to Skanska civil construction department. Surveys based on these answers were sent to persons inside Skanska Sweden that have leading positions within the production. From the result of the interviews and the surveys problem areas, key figures and benefits have been identified. When the case study was performed it was possible to recognize the result from the interviews and the surveys were in fact the main issues discussed; total cost, time, work environment, simplicity in the construction, repetition, cooperation in an early stage, communication et cetera.

 

 

There has been a case study of a bridge where the planning of an already built bridge has been changed and adapted to the idea of rationalizing the reinforcement work through using as much prefabricated reinforcement as possible. The result is a theoretical bridge with a new way of building that promotes the idea of using as much prefabricated reinforcement as possible. Other keywords in this case study are standardization, simplicity and industrialization. The case study shows that through cooperation and above all a good communication between the involved parties during the planning, it was possible to shorten the construction time with approximately 25%. The cost savings were lower and not as striking as the time savings. The total cost for building the bridge was reduced with approximately 3.5%. The work environment would also be very much improved because a lot of the operations, that are dangerous and demands bad working postures, are eliminated. The concept that was developed through this bridge is a standardization that Skanska hopes to introduce on similar projects in the future.

Place, publisher, year, edition, pages
2010. , 35 p.
Keyword [sv]
Armering, prefabricering, industrialisering, industrialiserat byggande, upprepning, effektivisering
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:hh:diva-4489OAI: oai:DiVA.org:hh-4489DiVA: diva2:321321
Presentation
(English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2010-05-31 Created: 2010-05-31 Last updated: 2010-06-21Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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